<template>
  <transition
    name="slide"
    appear
  >
    <div class="singer-detail">
      <music-list
        :title="title"
        :bg-image="bgImage"
        :songs="songs"
      ></music-list>
    </div>
  </transition>
</template>
<script>

import { mapGetters } from 'vuex'
import { getSingerDetail } from 'api/singer'
import { ERR_OK } from 'api/config'
import { createSong } from 'common/js/song.js'
import MusicList from 'components/Music-list/Music-list'
export default {
  computed: {
    title () {
      return this.singer.name
    },
    bgImage () {
      return this.singer.avatar
    },
    ...mapGetters([
      'singer'
    ])
  },
  data () {
    return {
      songs: []
    }
  },
  created () {
    this._getDetail()
  },
  components: {
    MusicList
  },
  methods: {
    _getDetail () {
      if (!this.singer.id) {
        this.$router.push('/singer')
      }
      getSingerDetail(this.singer.id).then((res) => {
        if (res.code === ERR_OK) {
          this.songs = this._normalizeSongs(res.data.list)
          console.log(this.songs)
        }
      })
    },
    _normalizeSongs (list) {
      let ret = []
      list.forEach((item) => {
        let { musicData } = item
        if (musicData.songid && musicData.albumid) {
          ret.push(createSong(musicData))
        }
      })
      return ret
    }
  }
}
</script>
<style lang="stylus" scoped>
@import '~common/stylus/variable';
.singer-detail {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  right: 0;
  left: 0;
  bottom: 0;
  background: $color-background;
}
.slide-enter-active, .slide-leave-active {
  transition: all 0.3s;
}
.slide-enter, .slide-leave-to {
  transform: translate3d(100%, 0, 0);
}
</style>